Finding the Fourth Proportional to 134,293.20, 201,221.10 and 98,863.80
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Solution
The fourth proportional to 134,293.20, 201,221.10 and 98,863.80 is: 148,134.70
Step by Step Solution
- Step 1: Write the proportion equation
134,293.20 : 201,221.10 = 98,863.80 : x - Step 2: Convert to fraction form
134,293.20/201,221.10 = 98,863.80/x - Step 3: Cross multiply
134,293.20x = 201,221.10 × 98,863.80 - Step 4: Simplify right side
134,293.20x = 19,893,482,586.18 - Step 5: Solve for x
x = 19,893,482,586.18/134,293.20 - Step 6: Final answer
x = 148,134.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.